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context.go
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context.go
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/*
* Copyright (c) 2019-2021. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
// Package servercontext performs context values read/write, generally through server or client wrappers
package servercontext
import (
"context"
"github.com/pydio/cells/v4/common/registry"
"github.com/pydio/cells/v4/common/runtime"
)
type contextType int
const (
registryKey contextType = iota
)
func init() {
runtime.RegisterContextInjector(func(ctx, parent context.Context) context.Context {
return WithRegistry(ctx, GetRegistry(parent))
})
}
// WithRegistry links a registry to the context
func WithRegistry(ctx context.Context, reg registry.Registry) context.Context {
return context.WithValue(ctx, registryKey, reg)
}
// GetRegistry returns the registry from the context in argument
func GetRegistry(ctx context.Context) registry.Registry {
if conf, ok := ctx.Value(registryKey).(registry.Registry); ok {
return conf
}
return nil
}